The ETH Zurich University is pleased to announce a PhD scholarship in Physics. The PhD position is open to international applicants.
This project seeks to research in the area of Electron Paramagnetic Resonance using Scanning Tunnelling Microscopy.
Table of Contents
Scholarship Sponsor | ETH Zurich |
Scholarships level | PhD Position |
Award Amount | Not Specified |
Fellowship Period | Not Specified |
Study area | Physics, Materials Science |
Opening date | February 12, 2021 |
Closing date | Now open |
At the Magnetism and Interface Physics group (https://intermag.mat.ethz.ch), we investigate magnetic phenomena in materials with novel structural and electronic properties. Within the activities of the scanning tunnelling microscopy lab, we conduct state-of-the-art research on magnetic properties and interactions of single atoms and molecules at surfaces. We also pursue the further development of the experimental techniques to advance our capabilities to novel measuring methods and material systems.
Electron paramagnetic resonance (EPR) is a sensitive technique that allows for measuring the magnetic moment, g-factor, and relaxation time of spin systems with high precision. It is widely used to reveal the electronic environment of paramagnetic defects in dielectric crystals and manipulate the electron and nuclear spin states of solid-state and molecular qubits. Recently, the technique was combined with scanning tunneling microscopy (STM) to perform EPR with atomic-scale spatial resolution on single spins.
First, EPR-STM investigations include dipolar fields, hyperfine fields, magnetic resonance imaging, and coherent spin manipulation of paramagnetic atoms on surfaces. In our laboratory, we have recently implemented EPR-STM using a novel antenna coupling scheme that provides high excitation power levels, as required for coherent manipulation of individual spins, and quantitatively evaluated the EPR driving force for single atoms. See also https://intermag.mat.ethz.ch/research/electron-paramagnetic-resonance-spectroscopy-by-stm.html.
As a successful candidate, you will explore the application of state-of-the-art EPR-STM instrumentation from single atoms adsorbed on surfaces to two-dimensional solid-state systems with an emphasis on low-energy excitations due to weak intrinsic interactions. A major part of the project entails the further development of EPR-STM measurement protocols to determine the weak perturbations with high precision and relate the characteristic energy scales and associated spin relaxation times to the electronic, magnetic, and vibrational environment. The research will be at the forefront of ongoing research activities in the nascent field of EPR-STM, combining different scientific backgrounds from surface science, nanoscale magnetism, and magnetic resonance techniques.
You have an outstanding track record of your studies in condensed matter physics, physical chemistry, electrical engineering, or a closely related area and a strong interest in the experimental realization and development of new methodologies. Ideally, you have previous experience in EPR, low-temperature STM spectroscopy, and surface science. A solid background in quantum physics or nanoscale magnetism is an asset.
ETH Zurich is one of the world’s leading universities specialising in science and technology. We are renowned for our excellent education, cutting-edge fundamental research, and direct transfer of new knowledge into society. Over 30,000 people from more than 120 countries find our university to be a place that promotes independent thinking and an environment that inspires excellence. Located in the heart of Europe, yet forging connections all over the world, we work together to develop solutions for the global challenges of today and tomorrow.
We look forward to receiving your online application with the following documents:
Please note that we exclusively accept applications submitted through our online application portal. Applications via email or postal services will not be considered.
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